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我一直在開發一個遊戲，其中彩色點（SpriteKitShapeNodes）從屏幕頂部落到底部。之前，我使用SpriteKit萬能引力來降低點，但是我已經決定要改善下降的方面，並決定使用衝動。出於某種奇怪的原因，這些點並沒有收到衝動或別的東西。點根本不動。興趣點位於「更改[顏色]」功能。應用衝動不能正常工作
var Green = SKShapeNode()
var Red = SKShapeNode()
var Yellow = SKShapeNode()
var Purple = SKShapeNode()
var Blue = SKShapeNode()
var Green2 = SKShapeNode()
var Red2 = SKShapeNode()
var Yellow2 = SKShapeNode()
var Purple2 = SKShapeNode()
var Blue2 = SKShapeNode()
//var sparkEmitter = SKEmitterNode(fileNamed: "Animations/Spark")
let userDefaults = NSUserDefaults.standardUserDefaults()
var ScoreLabel:SKLabelNode!
var HighScoreLabel:SKLabelNode!
var RestartLabel:SKLabelNode!
var BackButton:SKSpriteNode!
var π = M_PI
var clickPlayer: AVAudioPlayer = AVAudioPlayer()
var hitPlayer: AVAudioPlayer = AVAudioPlayer()
var jumpPlayer: AVAudioPlayer = AVAudioPlayer()
var musicPlayer: AVAudioPlayer = AVAudioPlayer()
var pointPlayer: AVAudioPlayer = AVAudioPlayer()
var pop2Player: AVAudioPlayer = AVAudioPlayer()
var Background = SKSpriteNode()
var startTimer = NSTimer()
var CustomWidth: UInt32 = UInt32()
override func didMoveToView(view: SKView) {
/* Setup your scene here */
//Add this back in if you want the color needed to change every minute
//var timer = NSTimer.scheduledTimerWithTimeInterval(60, target: self, selector: "update", userInfo: nil, repeats: true)
CustomWidth = UInt32(frame.size.width - 300)
print("Normal Width Is: \(frame.size.width)")
print("Other Width Is: \(UIScreen.mainScreen().bounds.size.width)")
print("Middle is: \(self.size.width/2)")
self.size.width = UIScreen.mainScreen().bounds.size.width
self.size.height = UIScreen.mainScreen().bounds.size.height
print("Width is now: \(self.size.width)")
Background = SKSpriteNode(imageNamed: "images/edit/background")
Background.position = CGPoint(x: self.frame.size.width/2, y: self.frame.size.height/2)
Background.zPosition = -1.0
self.addChild(Background)
//Physics
//self.physicsWorld.gravity = CGVector(dx: 0.0, dy: -0.2)
//self.physicsWorld.contactDelegate = self
print(physicsWorld.speed)
setupCircles()
spawnCircles()
changeColorNeeded()
func restartGame() {
//self.physicsWorld.speed = 1.0
spawnCircles()
changeColorNeeded()
removeRestartLabel()
addBackScoreLabels()
//self.physicsWorld.gravity = CGVector(dx: 0.0, dy: -0.2)
}
func setupCircles() {
Green = SKShapeNode(circleOfRadius: radius) // Size of Circle
Green.position.y = frame.size.height
Green.strokeColor = SKColor.clearColor()
Green.glowWidth = 1.0
Green.fillColor = SKColor.greenColor()
Green.physicsBody = SKPhysicsBody(circleOfRadius: radius)
Green.physicsBody?.categoryBitMask = Physics.Enemy
Green.physicsBody?.contactTestBitMask = Physics.Bar
Green.physicsBody?.collisionBitMask = Physics.Bar
Green.physicsBody?.dynamic = true
Green.name = "Enemy"
Red = SKShapeNode(circleOfRadius: radius) // Size of Circle
Red.position.y = frame.size.height
Red.strokeColor = SKColor.clearColor()
Red.glowWidth = 1.0
Red.fillColor = SKColor.redColor()
Red.physicsBody = SKPhysicsBody(circleOfRadius: radius)
Red.physicsBody?.categoryBitMask = Physics.Enemy
Red.physicsBody?.contactTestBitMask = Physics.Bar
Red.physicsBody?.collisionBitMask = Physics.Bar
Red.physicsBody?.dynamic = true
Red.name = "Enemy"
Blue = SKShapeNode(circleOfRadius: radius) // Size of Circle
Blue.position.y = frame.size.height
Blue.strokeColor = SKColor.clearColor()
Blue.glowWidth = 1.0
Blue.fillColor = SKColor.blueColor()
Blue.physicsBody = SKPhysicsBody(circleOfRadius: radius)
Blue.physicsBody?.categoryBitMask = Physics.Enemy
Blue.physicsBody?.contactTestBitMask = Physics.Bar
Blue.physicsBody?.collisionBitMask = Physics.Bar
Blue.physicsBody?.dynamic = true
Blue.name = "Enemy"
Yellow = SKShapeNode(circleOfRadius: radius) // Size of Circle
Yellow.position.y = frame.size.height
Yellow.strokeColor = SKColor.clearColor()
Yellow.glowWidth = 1.0
Yellow.fillColor = SKColor.yellowColor()
Yellow.physicsBody = SKPhysicsBody(circleOfRadius: radius)
Yellow.physicsBody?.categoryBitMask = Physics.Enemy
Yellow.physicsBody?.contactTestBitMask = Physics.Bar
Yellow.physicsBody?.collisionBitMask = Physics.Bar
Yellow.physicsBody?.dynamic = true
Yellow.name = "Enemy"
Purple = SKShapeNode(circleOfRadius: radius) // Size of Circle
Purple.position.y = frame.size.height
Purple.strokeColor = SKColor.clearColor()
Purple.glowWidth = 1.0
Purple.fillColor = SKColor.purpleColor()
Purple.physicsBody = SKPhysicsBody(circleOfRadius: radius)
Purple.physicsBody?.categoryBitMask = Physics.Enemy
Purple.physicsBody?.contactTestBitMask = Physics.Bar
Purple.physicsBody?.collisionBitMask = Physics.Bar
Purple.physicsBody?.dynamic = true
Purple.name = "Enemy"
self.addChild(Green)
self.addChild(Red)
self.addChild(Blue)
self.addChild(Yellow)
self.addChild(Purple)
}
func changeGreen(){
if IsPaused == false{
Green.position.y = frame.size.height + CGFloat(arc4random_uniform(100) + 1)
var PositionX: CGFloat = CGFloat(UInt32(radius) + arc4random_uniform(UInt32(self.frame.width - 2.0 * radius)))
Green.position.x = CGFloat(PositionX)
while Green.containsPoint(Red.position) || Green.containsPoint(Blue.position) || Green.containsPoint(Yellow.position) || Green.containsPoint(Purple.position) {
print("Overlap Detected")
changeGreen()
}
let randomX: CGFloat = CGFloat(drand48())
print("RandomX For Impulse = \(randomX)")
self.Green.physicsBody?.applyImpulse(CGVectorMake(0, 0.1))
}
}
func changeRed(){
if IsPaused == false{
Red.position.y = frame.size.height + CGFloat(arc4random_uniform(100) + 1)
var PositionX: CGFloat = CGFloat(UInt32(radius) + arc4random_uniform(UInt32(self.frame.width - 2.0 * radius)))
Red.position.x = CGFloat(PositionX)
while Red.containsPoint(Blue.position) || Red.containsPoint(Yellow.position) || Red.containsPoint(Green.position) || Red.containsPoint(Purple.position) {
print("Overlap Detected")
changeRed()
}
let randomX: CGFloat = CGFloat(drand48())
print("RandomX For Impulse = \(randomX)")
self.Red.physicsBody?.applyImpulse(CGVectorMake(0, 0.1))
}
}
func changeBlue() {
if IsPaused == false{
Blue.position.y = frame.size.height + CGFloat(arc4random_uniform(100) + 1)
var PositionX: CGFloat = CGFloat(UInt32(radius) + arc4random_uniform(UInt32(self.frame.width - 2.0 * radius)))
Blue.position.x = CGFloat(PositionX)
while Blue.containsPoint(Red.position) || Blue.containsPoint(Yellow.position) || Blue.containsPoint(Green.position) || Blue.containsPoint(Purple.position) {
print("Overlap Detected")
changeBlue()
}
let randomX: CGFloat = CGFloat(drand48())
print("RandomX For Impulse = \(randomX)")
print("Applying Impulse")
self.Blue.physicsBody?.applyImpulse(CGVectorMake(0, 0.1))
}
}
func changeYellow() {
if IsPaused == false{
Yellow.position.y = frame.size.height + CGFloat(arc4random_uniform(100) + 1)
var PositionX: CGFloat = CGFloat(UInt32(radius) + arc4random_uniform(UInt32(self.frame.width - 2.0 * radius)))
Yellow.position.x = CGFloat(PositionX)
while Yellow.containsPoint(Red.position) || Yellow.containsPoint(Blue.position) || Yellow.containsPoint(Green.position) || Yellow.containsPoint(Purple.position) {
print("Overlap Detected")
changeYellow()
}
let randomX: CGFloat = CGFloat(drand48())
print("RandomX For Impulse = \(randomX)")
self.Yellow.physicsBody?.applyImpulse(CGVectorMake(0, 0.1))
}
}
func changePurple() {
if IsPaused == false{
Purple.position.y = frame.size.height + CGFloat(arc4random_uniform(100) + 1)
var PositionX: CGFloat = CGFloat(UInt32(radius) + arc4random_uniform(UInt32(self.frame.width - 2.0 * radius)))
Purple.position.x = CGFloat(PositionX)
while Purple.containsPoint(Red.position) || Purple.containsPoint(Blue.position) || Purple.containsPoint(Yellow.position) || Purple.containsPoint(Green.position) {
print("Overlap Detected")
changePurple()
}
let randomX: CGFloat = CGFloat(drand48())
print("RandomX For Impulse = \(randomX)")
self.Purple.physicsBody?.applyImpulse(CGVectorMake(0, 0.1))
}
}
func spawnCircles() {
changeRed()
changeBlue()
changeGreen()
changeYellow()
changePurple()
}
func randomYPos() -> Double{
var rand = Double(arc4random_uniform(UInt32(0.10) + UInt32(0.8)))
return rand
}
func changeColorNeeded() -> SKColor {
colorNeeded = randomColor()
return self.colorNeeded
}
func randomColor() -> SKColor{
var colors: [SKColor] = [SKColor.yellowColor(), SKColor.blueColor(), SKColor.greenColor(), SKColor.redColor(), SKColor.purpleColor()]
var rand = Int(arc4random_uniform(4) + 0)
return colors[rand]
}
你一定要遵循命名約定，特別是在StackOverflow（因爲高亮顯示錯誤），像@ crashoverride777指出他的答案（和耶，0.1可能對你的身體沒有影響）。 – Whirlwind